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(Solved)J4205-ITX HDMI output
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rosch View Drop Down
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Joined: 26 Jan 2018
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Points: 1 		Post Options Post Options   Thanks (0) Thanks(0)   Quote rosch Quote  Post ReplyReply Direct Link To This Post Posted: 26 Jan 2018 at 11:59pm
Hi, same problem here with j3455-itx on FW1.3 (official) and an old samsung tv. I tried different Intel display drivers but I always got a black screen with a mouse pointer (Win10). When I put in my password (sometimes i had to try 2 or 3 times) the computer actually shows me the windows desktop.
So logging in without password solves the problem for me, but I like a real solution. :-)

I'd like to update the hdmi firmware, but the above mentioned link links to version 1.72. In the bin folder are 2 bin files for different nuc models. So which one I should use? One is for NUC6CAY, , one for NUC7ixBN. Please help. Thank you.
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uhrheber View Drop Down
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Points: 5 		Post Options Post Options   Thanks (0) Thanks(0)   Quote uhrheber Quote  Post ReplyReply Direct Link To This Post Posted: 10 Jan 2018 at 4:25pm
What I also wanted to mention:

One of my HDMI cables is a cheap 5m long one, from a dollar store.
Surprisingly, it works very well with a 4K signal sent from my notebook, an Odroid C2, and an Android TV box (Zorke Z6).
With the J4205-ITX it doesn't work at all, regardless of what the resolution is.

So I think that the DisplayPort to HDMI converter on the board is just crap, and produces a weak and maybe out of spec signal.

I'm thinking of sending the thing back, it's not worth the trouble.
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Zzenz View Drop Down
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Yes I am at the point of damning a refund or a replacement for something that actually works!Angry
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uhrheber View Drop Down
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Points: 5 		Post Options Post Options   Thanks (0) Thanks(0)   Quote uhrheber Quote  Post ReplyReply Direct Link To This Post Posted: 08 Jan 2018 at 5:52pm
I have the same problems with the J4205-ITX.
But in my case, the situation was the following:
On a Full-HD monitor, everything was fine.
On a 4K TV (Telefunken A50U445A) it showed:
- BIOS: horizontal flickering lines, sometimes black screen
- Windows 10: (latest Intel graphics driver): horizontal flickering lines during boot, after that OK. But: 4K playback isn't smooth, neither in WMP nor in Kodi.
- Linux Mint 18.3 cinnamon: I had to experiment with the drivers and libraries, ended up with i965-va-driver and va-api libs installed manually. Also had to update the kernel to 4.11. With that, I had smooth playback in Kodi, but black screen on the 4K TV. 

Then I installed the Intel NUC firmware update and the results were:
Win 10: no change
Linux: finally a picture on the 4K TV, but flickering horizontal lines.

Then I began experimenting with all of my HDMI cables and all of the TV's HDMI ports.
I finally found a combination, that gives a fault-free picture.
Playback in Kodi is smooth, even for 4K movies with high data rate, but the processor load is rather high, so when the processor is doing something else in the background, the playback lags.
Also, the picture is somewhat pale, but that can be corrected with Kodi's contrast and brightness settings.
Only the lastest Kodi 18 nightly works, no older versions.

I think, that 4K playback on Intel graphics is still in it's infancy.
It works somehow, but without reserves, so it feels like playing full HD on a Raspberry Pi 1.
The J4205-ITX board seems to be not well tested, and obviously ASRock doesn't bother delivering them with already updated BIOS and firmware.

Oh, and BTW: forget about playing games on this board. The 3D performance of the intel graphics is rather poor.

I planned to use this board as a party PC, for playing Ultrastar Deluxe and watching movies. It'll do the job, but nothing more. And installing all the experimental video acceleration stuff wasn't fun. Neither was having to crawl through the web to scrape up all the needed information to get it going.
I wouldn't do it again, and I wouldn't recommend this board to others.
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Zzenz View Drop Down
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Originally posted by marco25 marco25 wrote:

same problem here.... got no signal before, upgraded the HDMI firmware per instruction. went successfully and verified the firmware did get upgraded. then wont boot into Windows after reboot... even the latest INTEL driver from Dec 2017 did not help. have to uninstall intel driver in safe mode to get it back... then it auto install INTEL driver later and went right back to the problem after reboot.... way too much trouble with this board... my first asrock and badddddd experience... any other thing to try? helpppp.... thanks


Yeah I will not be buying another of their products, and not so much that it has this issue, but the ABSOLUTELY, NO help, NO support or after all this damned time a NO proper fix!

 Crap customer service Asrock!AngryOuch
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marco25 View Drop Down
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Points: 1 		Post Options Post Options   Thanks (0) Thanks(0)   Quote marco25 Quote  Post ReplyReply Direct Link To This Post Posted: 07 Jan 2018 at 11:58am
same problem here.... got no signal before, upgraded the HDMI firmware per instruction. went successfully and verified the firmware did get upgraded. then wont boot into Windows after reboot... even the latest INTEL driver from Dec 2017 did not help. have to uninstall intel driver in safe mode to get it back... then it auto install INTEL driver later and went right back to the problem after reboot.... way too much trouble with this board... my first asrock and badddddd experience... any other thing to try? helpppp.... thanks
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Stefan75 View Drop Down
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Joined: 15 Feb 2017
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Points: 80 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Stefan75 Quote  Post ReplyReply Direct Link To This Post Posted: 16 Dec 2017 at 9:27pm
Here some help from Intel:

My J3455-ITX (HDMI FW 1.66) works fine..
Driver Version: 22.20.16.4749
Operating System: Windows* 10 Pro (10.0.16299)
Current Resolution: 3840 x 2160
Connector Type: DisplayPort
Device Type: Digital Television



Edited by Stefan75 - 16 Dec 2017 at 9:35pm
http://cellarcinema.info
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Tikoo View Drop Down
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Which Video driver need to be used? May be problem in drivers?
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Tikoo View Drop Down
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I have the same issue! Windows keep rebooting and asking for troubleshoot.
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Zzenz View Drop Down
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Points: 13 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Zzenz Quote  Post ReplyReply Direct Link To This Post Posted: 12 Dec 2017 at 10:02am
Hello.

Yes I followed these instruction without issue.. Seemed to work for a week or two, but now the same damned issue is happening again.. Windows always boots to troubleshoot/restart etc.

If I disconnect the HDMI windows will boot normally and can login via VNC... So did that, reconnected the HDMI cable and turned on the 4k TV. Computer crapped out and restarted back to  troubleshoot/restart etc.

IS THIS ISSUE ever going to be fixed or what Asrock?????????

Any other work around or fix to this ridiculous issue?
CheersAngry
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